-> v0.7.3

handle case where webpack asset is an array instead of a string

CHANGELOG.md

@@ -1,5 +1,19 @@
 # sapper changelog
 
+## 0.7.3
+
+* Handle webpack assets that are arrays instead of strings ([#131](https://github.com/sveltejs/sapper/pull/131))
+* Wait for new server to start before broadcasting HMR update ([#129](https://github.com/sveltejs/sapper/pull/129))
+
+## 0.7.2
+
+* Add `hmr-client.js` to package
+* Wait until first successful client build before creating service-worker.js
+
+## 0.7.1
+
+* Add missing `tslib` dependency
+
 ## 0.7.0
 
 * Restructure app layout (see [migration guide](https://sapper.svelte.technology/guide#0-6-to-0-7)) ([#126](https://github.com/sveltejs/sapper/pull/126))

hmr-client.js

@@ -1,7 +1,5 @@
 let source;
 
-console.log('!!!! hmr client');
-
 function check() {
 	if (module.hot.status() === 'idle') {
 		module.hot.check(true).then(modules => {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "sapper",
-  "version": "0.7.0",
+  "version": "0.7.3",
   "description": "Military-grade apps, engineered by Svelte",
   "main": "middleware.js",
   "bin": {
@@ -12,6 +12,7 @@
     "middleware.js",
     "runtime",
     "runtime.js",
+    "hmr-client.js",
     "webpack"
   ],
   "directories": {
@@ -24,6 +25,7 @@
     "code-frame": "^5.0.0",
     "escape-html": "^1.0.3",
     "express": "^4.16.2",
+    "get-port": "^3.2.0",
     "glob": "^7.1.2",
     "locate-character": "^2.0.5",
     "mime": "^2.2.0",
@@ -35,6 +37,7 @@
     "rimraf": "^2.6.2",
     "sander": "^0.6.0",
     "serialize-javascript": "^1.4.0",
+    "tslib": "^1.8.1",
     "url-parse": "^1.2.0",
     "wait-port": "^0.2.2",
     "walk-sync": "^0.3.2",
@@ -50,7 +53,6 @@
     "electron": "^1.8.2",
     "eslint": "^4.13.1",
     "eslint-plugin-import": "^2.8.0",
-    "get-port": "^3.2.0",
     "mocha": "^4.0.1",
     "nightmare": "^2.10.0",
     "npm-run-all": "^4.1.2",
@@ -63,7 +65,6 @@
     "svelte": "^1.49.1",
     "svelte-loader": "^2.3.2",
     "ts-node": "^4.1.0",
-    "tslib": "^1.8.1",
     "typescript": "^2.6.2"
   },
   "scripts": {

src/cli/dev.ts

@@ -137,14 +137,21 @@ export default async function dev(src: string, dir: string) {
 			fs.writeFileSync(path.join(dir, 'server_info.json'), JSON.stringify(server_info, null, '  '));
 
 			deferreds.client.promise.then(() => {
-				if (proc) proc.kill();
+				function restart() {
+					wait_for_port(3000, deferreds.server.fulfil); // TODO control port
+				}
+
+				if (proc) {
+					proc.kill();
+					proc.on('exit', restart);
+				} else {
+					restart();
+				}
 
 				proc = child_process.fork(`${dir}/server.js`, [], {
 					cwd: process.cwd(),
 					env: Object.assign({}, process.env)
 				});
-
-				wait_for_port(3000, deferreds.server.fulfil); // TODO control port
 			});
 		}
 	});
@@ -182,33 +189,41 @@ export default async function dev(src: string, dir: string) {
 				});
 			});
 
-			return create_serviceworker({
+			create_serviceworker({
 				routes: create_routes({ src }),
 				client_files,
 				src
 			});
+
+			watch_serviceworker();
 		}
 	});
 
-	if (compilers.serviceworker) {
+	let watch_serviceworker = compilers.serviceworker
-		compilers.serviceworker.plugin('invalid', (filename: string) => {
+		? function() {
-			times.serviceworker_start = Date.now();
+			watch_serviceworker = noop;
-		});
 
-		compilers.serviceworker.watch({}, (err: Error, stats: any) => {
+			compilers.serviceworker.plugin('invalid', (filename: string) => {
-			if (err) {
+				times.serviceworker_start = Date.now();
-				// TODO notify client
+			});
-			} else if (stats.hasErrors()) {
-				// print errors. TODO notify client
-				stats.toJson().errors.forEach((error: Error) => {
-					console.error(error); // TODO make this look nice
-				});
-			} else {
-				console.log(`built service worker in ${Date.now() - times.serviceworker_start}ms`); // TODO prettify
 
-				const serviceworker_info = stats.toJson();
+			compilers.serviceworker.watch({}, (err: Error, stats: any) => {
-				fs.writeFileSync(path.join(dir, 'serviceworker_info.json'), JSON.stringify(serviceworker_info, null, '  '));
+				if (err) {
-			}
+					// TODO notify client
-		});
+				} else if (stats.hasErrors()) {
-	}
+					// print errors. TODO notify client
+					stats.toJson().errors.forEach((error: Error) => {
+						console.error(error); // TODO make this look nice
+					});
+				} else {
+					console.log(`built service worker in ${Date.now() - times.serviceworker_start}ms`); // TODO prettify
+
+					const serviceworker_info = stats.toJson();
+					fs.writeFileSync(path.join(dir, 'serviceworker_info.json'), JSON.stringify(serviceworker_info, null, '  '));
+				}
+			});
+		}
+		: noop;
 }
+
+function noop() {}

src/core/create_app.ts

@@ -41,7 +41,7 @@ function generate_client(routes: Route[], src: string, dev: boolean, dev_port?:
 
 	if (dev) {
 		const hmr_client = posixify(
-			path.resolve(__dirname, 'src/hmr-client.js')
+			path.resolve(__dirname, 'hmr-client.js')
 		);
 
 		code += `

src/middleware/index.ts

@@ -122,7 +122,12 @@ function get_route_handler(chunks: Record<string, string>, routes: RouteObject[]
 
 			// preload main.js and current route
 			// TODO detect other stuff we can preload? images, CSS, fonts?
-			res.setHeader('Link', `</client/${chunks.main}>;rel="preload";as="script", </client/${chunks[route.id]}>;rel="preload";as="script"`);
+			const link = []
+				.concat(chunks.main, chunks[route.id])
+				.map(file => `</client/${file}>;rel="preload";as="script"`)
+				.join(', ');
+
+			res.setHeader('Link', link);
 
 			const data = { params: req.params, query: req.query };
 
@@ -159,7 +164,11 @@ function get_route_handler(chunks: Record<string, string>, routes: RouteObject[]
 
 				const { html, head, css } = mod.render(data);
 
-				let scripts = `<script src='/client/${chunks.main}'></script>`;
+				let scripts = []
+					.concat(chunks.main) // chunks main might be an array. it might not! thanks, webpack
+					.map(file => `<script src='/client/${file}'></script>`)
+					.join('');
+
 				scripts = `<script>__SAPPER__ = { preloaded: ${serialized} };</script>${scripts}`;
 
 				const page = template.render({